import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css'// progress bar style
import { getToken } from '@/utils/auth' // getToken from cookie
NProgress.configure({ showSpinner: false })// NProgress Configuration

const whiteList = ['/authredirect']// no redirect whitelist

router.beforeEach((to, from, next) => {
  NProgress.start() // start progress bar
  if (to.path === '/login') {
    next()
    NProgress.done() // if current page is dashboard will not trigger	afterEach hook, so manually handle it
  } else {
    if (getToken()) { // determine if there has token
      if (store.getters.addRouters.length === 0) { // 判断当前用户是否已拉取完user_info信息
        store.dispatch('GetUserMenu').then(roles => {
          // if (process.env.NODE_ENV == 'development') {
          //   roles.push()
          // }
          store.dispatch('GenerateRoutes', roles).then(() => { // 根据roles权限生成可访问的路由表
            router.addRoutes(store.getters.addRouters) // 动态添加可访问路由表
            next({ ...to, replace: true }) // hack方法 确保addRoutes已完成 , set the replace: true so the navigation will not leave a history record
          })
        }).catch((err) => {
          store.dispatch('FedLogOut').then(() => {
            Message.error(err || '权限验证失败，请重新登录')
            next({ path: '/login' })
          })
        })
      } else {
        next()
      }
    } else {
      /* has no token*/
      if (whiteList.indexOf(to.path) !== -1) { // 在免登录白名单，直接进入
        next()
      } else {
        next('/login') // 否则全部重定向到登录页
        NProgress.done() // if current page is login will not trigger afterEach hook, so manually handle it
      }
    }
  }
})

router.afterEach(() => {
  NProgress.done() // finish progress bar
})
